Coating apparatus and method

Details Coating apparatus and method Coating apparatus and method

1993-05-27

1996-01-16

Beck, Shrive

Coating processes

Coating by vapor, gas, or smoke

Base includes an inorganic compound containing silicon or...

427420, 118410, 118411, 118DIG4, C23C 1622, B05D 126, B05D 130

Patent

active

054846293

ABSTRACT:
A coating apparatus (10) for coating a radiation-sensitive emulsion (30) on a photographic support (24) is fabricated from hopper bars (12) having a ceramic coating surface (20). An initial surface finish treatment is first applied to the ceramic coating surface, after which the coating surface is polished, to decrease the roughness of the coating surface sufficiently to prevent the formation of streaks in the emulsion coating layer or layers on the support.

REFERENCES:
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patent: 4612146 (1986-09-01), Huther
patent: 4738885 (1988-04-01), Matsumoto
patent: 4744943 (1988-05-01), Timm
patent: 4761332 (1988-08-01), Elias et al.
patent: 4816128 (1989-03-01), Wada et al.
patent: 4997678 (1991-03-01), Taylor et al.
patent: 5080841 (1992-01-01), Nishio
patent: 5275660 (1994-01-01), Ozaki et al.

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